I wasn't able to find any suitable meaning for 'break down on' in any dictionary. From context I would say I should be 'relates to' or 'concerns', but that was not mentioned in any dictionary. Can anyone help me explain this?
Here is the text (it's from a podcast):
DUBNER: That is really the basis of his argument – which is that most smokers want to quit, but can’t, and to refuse to hire them is therefore discriminatory or at least unethical.
RYSSDAL: Does this break down on socioeconomic lines? Is there a low-income, low-wage worker versus high-wage, high-income person thing?